Feeless Attack

This is an attack against the Feeless library: https://github.com/bitclave/Feeless

The design allows a reentrancy attack, see Attacker.sol, when used in more complex systems.

For the full explanation, please read our medium article.

Testing

Run npm install to install the necessary dependencies. The test case contains the full attack. It can be run with truffle test.

VULNERABLE CODE

DO NOT USE FOR PRODUCTION

FOR EDUCATIONAL PURPOSES ONLY